HP Genuine OEM 304A (CF340A) contains 3 individual laserjet toner cartridges – cyan, magenta and yellow. The 304A is designed for high-volume, business-quality printing, delivering brilliant color consistency. The page yield is approximately 2,800 pages per cartridge. HP Original 304A (CF340A) is specifically designed to be compatible with HP HP Color LaserJet CM2320fxi, Color LaserJet CM2320n, Color LaserJet CM2320nf, Color LaserJet CP2025dn, Color LaserJet CP2025n, Color LaserJet CP2025x printer models.